`ELF_CORE_COPY_REGS(x, y)' will make expansions like:
`(y)[0] = (x)->x.gp[0]' but correct is `(y)[0] = (x)->regs.gp[0]'

Signed-off-by: Roel Kluin <roel.kl...@gmail.com>
---
diff --git a/arch/um/sys-x86_64/asm/elf.h b/arch/um/sys-x86_64/asm/elf.h
index 6e8a919..04b9e87 100644
--- a/arch/um/sys-x86_64/asm/elf.h
+++ b/arch/um/sys-x86_64/asm/elf.h
@@ -66,28 +66,28 @@ typedef struct user_i387_struct elf_fpregset_t;
        PT_REGS_R15(regs) = 0; \
 } while (0)
 
-#define ELF_CORE_COPY_REGS(pr_reg, regs)               \
-       (pr_reg)[0] = (regs)->regs.gp[0];                       \
-       (pr_reg)[1] = (regs)->regs.gp[1];                       \
-       (pr_reg)[2] = (regs)->regs.gp[2];                       \
-       (pr_reg)[3] = (regs)->regs.gp[3];                       \
-       (pr_reg)[4] = (regs)->regs.gp[4];                       \
-       (pr_reg)[5] = (regs)->regs.gp[5];                       \
-       (pr_reg)[6] = (regs)->regs.gp[6];                       \
-       (pr_reg)[7] = (regs)->regs.gp[7];                       \
-       (pr_reg)[8] = (regs)->regs.gp[8];                       \
-       (pr_reg)[9] = (regs)->regs.gp[9];                       \
-       (pr_reg)[10] = (regs)->regs.gp[10];                     \
-       (pr_reg)[11] = (regs)->regs.gp[11];                     \
-       (pr_reg)[12] = (regs)->regs.gp[12];                     \
-       (pr_reg)[13] = (regs)->regs.gp[13];                     \
-       (pr_reg)[14] = (regs)->regs.gp[14];                     \
-       (pr_reg)[15] = (regs)->regs.gp[15];                     \
-       (pr_reg)[16] = (regs)->regs.gp[16];                     \
-       (pr_reg)[17] = (regs)->regs.gp[17];                     \
-       (pr_reg)[18] = (regs)->regs.gp[18];                     \
-       (pr_reg)[19] = (regs)->regs.gp[19];                     \
-       (pr_reg)[20] = (regs)->regs.gp[20];                     \
+#define ELF_CORE_COPY_REGS(pr_reg, _regs)              \
+       (pr_reg)[0] = (_regs)->regs.gp[0];                      \
+       (pr_reg)[1] = (_regs)->regs.gp[1];                      \
+       (pr_reg)[2] = (_regs)->regs.gp[2];                      \
+       (pr_reg)[3] = (_regs)->regs.gp[3];                      \
+       (pr_reg)[4] = (_regs)->regs.gp[4];                      \
+       (pr_reg)[5] = (_regs)->regs.gp[5];                      \
+       (pr_reg)[6] = (_regs)->regs.gp[6];                      \
+       (pr_reg)[7] = (_regs)->regs.gp[7];                      \
+       (pr_reg)[8] = (_regs)->regs.gp[8];                      \
+       (pr_reg)[9] = (_regs)->regs.gp[9];                      \
+       (pr_reg)[10] = (_regs)->regs.gp[10];                    \
+       (pr_reg)[11] = (_regs)->regs.gp[11];                    \
+       (pr_reg)[12] = (_regs)->regs.gp[12];                    \
+       (pr_reg)[13] = (_regs)->regs.gp[13];                    \
+       (pr_reg)[14] = (_regs)->regs.gp[14];                    \
+       (pr_reg)[15] = (_regs)->regs.gp[15];                    \
+       (pr_reg)[16] = (_regs)->regs.gp[16];                    \
+       (pr_reg)[17] = (_regs)->regs.gp[17];                    \
+       (pr_reg)[18] = (_regs)->regs.gp[18];                    \
+       (pr_reg)[19] = (_regs)->regs.gp[19];                    \
+       (pr_reg)[20] = (_regs)->regs.gp[20];                    \
        (pr_reg)[21] = current->thread.arch.fs;                 \
        (pr_reg)[22] = 0;                                       \
        (pr_reg)[23] = 0;                                       \

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